220996522 has 16 divisors (see below), whose sum is σ = 340068960. Its totient is φ = 107653392.

The previous prime is 220996513. The next prime is 220996537. The reversal of 220996522 is 225699022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32968 + ... + 39100.

It is an arithmetic number, because the mean of its divisors is an integer number (21254310).

Almost surely, 2^220996522 is an apocalyptic number.

220996522 is a deficient number, since it is larger than the sum of its proper divisors (119072438).

220996522 is a wasteful number, since it uses less digits than its factorization.

220996522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 220996522 is about 14865.9517690594. The cubic root of 220996522 is about 604.5911879720.

The spelling of 220996522 in words is "two hundred twenty million, nine hundred ninety-six thousand, five hundred twenty-two".